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ADM8697 Arkusz danych(PDF) 2 Page - Analog Devices |
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ADM8697 Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 13 page ADM8696/ADM8697–SPECIFICATIONS Parameter Min Typ Max Units Test Conditions/Comments VCC Operating Voltage Range 3.0 5.5 V VBATT Operating Voltage Range 2.0 VCC – 0 3 V BATTERY BACKUP SWITCHING (ADM8696) VOUT Output Voltage VCC – 0.005 VCC – 0.0025 V IOUT = 1 mA VCC – 0.2 VCC – 0.125 V IOUT ≤ 100 mA VOUT in Battery Backup Mode VBATT – 0.005 VBATT – 0.002 V IOUT = 250 µA, VCC < VBATT – 0.2 V Supply Current (Excludes IOUT) 115 200 µAI OUT = 100 mA Supply Current in Battery Backup Mode 0.4 1 µAV CC = 0 V, VBATT = 2.8 V Battery Standby Current 5.5 V > VCC > VBATT + 0.2 V (+ = Discharge, – = Charge) –0.1 +0.02 µA Battery Switchover Threshold 70 mV Power-Up VCC – VBATT 50 mV Power-Down Battery Switchover Hysteresis 20 mV BATT ON Output Voltage 0.3 V ISINK = 3.2 mA BATT ON Output Short Circuit Current 30 mA BATT ON = VOUT = 2.4 V Sink Current 0.5 2.5 25 µA BATT ON = VOUT, VCC = 0 V, Source Current RESET AND WATCHDOG TIMER Low Line Threshold (LLIN) 1.25 1.3 1.35 V Reset Timeout Delay 35 50 70 ms OSC SEL = HIGH Watchdog Timeout Period, Internal Oscillator 1.0 1.6 2.25 s Long Period 70 100 140 ms Short Period Watchdog Timeout Period, External Clock 4032 4063 4097 Cycles Long Period 960 1011 1025 Cycles Short Period Minimum WDI Input Pulse Width 50 ns VIL = 0.8, VIH = 3.75 V, VCC = 5 V 100 ns VIL = 0.8, VIH = 3.5 V, VCC = 5 V 100 ns VIL = 0.8, VIH = 2.6 V, VCC = 3 V RESET Output Voltage @ VCC = +1 V 4 20 mV ISINK = 10 µA, VCC = 1 V RESET, RESET Output Voltage 0.1 0.4 V ISINK = 400 µA, VCC = 2 V, VBATT = 0 V 0.1 0.4 V ISINK = 3.2 mA, 3 V < VCC < 5.5 V 3.5 V ISOURCE = 1 µA, VCC = 5 V 2.7 V ISOURCE = 1 µA, VCC = 3 V LOW LINE, WDO Output Voltage 0.4 V ISINK = 3.2 mA, 3.5 V ISOURCE = 1 µA, VCC = 5 V 2.7 V ISOURCE = 1 µA, VCC = 3 V Output Short Circuit Source Current 1 10 25 µAV CC = 5 V WDI Input Threshold 1 Logic Low 0.8 V Logic High 3.5 V VCC = 5 V 1.2 V VCC = 3 V WDI Input Current 1 10 µA WD1 = VOUT, (VCC) –10 –1 µA WD1 = 0 V POWER FAIL DETECTOR PFI Input Threshold 1.2 1.3 1.4 V PFI–LLIN Threshold Difference –50 ±15 +50 mV PFI Input Current –25 ±0.01 +25 nA LLIN Input Current –50 ±0.01 +50 nA PFO Output Voltage 0.4 V ISINK = 3.2 mA 3.5 V ISOURCE = 1 µA 2.7 V ISOURCE = 1 µA, VCC = 3 V PFO Short Circuit Source Current 1 10 25 µA PFI = Low, PFO = 0 V CHIP ENABLE GATING (ADM8697) CEIN Threshold 0.8 V VIL 3.0 V VIH 1.2 V VCC = 3 V CEIN Pull-Up Current 3 µA CEOUT Output Voltage 0.4 V ISINK = 3.2 mA VCC – 0.5 V ISOURCE = 800 µA CE Propagation Delay 2 7 ns VCC = 5.0 V 4ns VCC = 3.0 V OSCILLATOR OSC IN Input Current ±2 µA OSC SEL Input Pull-Up Current 5 µA OSC IN Frequency Range 0 500 kHz OSC SEL = 0 V OSC IN Frequency with Ext. Capacitor 4 kHz OSC SEL = 0 V, COSC = 47 pF NOTE 1WDI is a three-level input internally biased to 38% of V CC and has an input impedance of approximately 5 M Ω. Specifications subject to change without notice. –2– (VCC = Full Operating Range, VBATT = +2.8 V, TA = TMIN to TMAX unless otherwise noted.) REV. A |
Podobny numer części - ADM8697_15 |
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Podobny opis - ADM8697_15 |
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